The millennial demographic is expected to outnumber the baby boomer generation, so this rising group's spending habits will have a huge effect on the markets. For example, the millennials' quick adoption of new technologies will help support tech companies and technology sector-related exchange traded funds. “I’ve been positioning my fund to benefit from millennials’ spending trends," Jean Park, Portfolio Manager, Fidelity Growth Strategies Fund and Fidelity Fund, said in a note.

Fidelity lowered the expense ratios on its three actively managed fixed income exchange-traded funds. The new fees went into effect April 1, according to a filing with the Securities and Exchange Commission. ...

It is almost impossible to avoid the technology sector. Then again, avoiding technology has not been a wise move. It is the best-performing group in the S&P 500 this year. As the largest sector by market capitalization in the U.S., it’s hard to avoid for investors using supposedly diverse broader market index funds and exchange-traded funds (ETFs).

Apple Inc. (NASDAQ: AAPL ) , the largest U.S. company by market value, held one of its most widely anticipated events in recent memory this week with some analysts forecasting some benefit for select semiconductor ...